Plahooftaph co



T. TgJAcKsoN.

Loom Fon wAvl'NG. APPL'ICATION FILED QEC. 24, H JII.

\ Patented Sept. 16, 1919.`

2 SHEETS-SHEET h MLLW/- T. T. JACKSON.'

LOOM FOR WEAVING.

APPucATxoN men nic. 24. |911.

Patented Sept. 16, 1919.

2 SHETS-SHEET 2 'Hinz COLUMBIA PLANRAPH C0.. WASHINUTON, D. c.

THOMAS 'rnonerrroiv JACKSON, or" :enlonnnoriroin nnnniwinncirnsirnimvnnirii nocivi ron infame# Specification of Ltters `Patent.

Toallahom'a concerne* Be it'knovvnthat I; TI-roMAs'TRoUeHTo; JACKSON, subject of the King of Great Britain `and Ireland, and resdentofBroadbot tom,ne`ar Manchester, inithe county of Lan easter, England,`have" invented certain 'Im proveniente in Looms for Weaving, of vvhich the follovving` is a specification. if@ This invention relates to improvements in'f; looms for Weaving and While particularly applicable to that type of loom for Weaving tapes" andlikesmall wareswherein one tape or"ribbon only is Woven at a time, such improven'ients are applicable to looms in gen-` eral Weaving the Wider classes" ofsingle fabri's ora plurality of narrovv fabrics side by sic e. i

The'invention has particular `reference to' the previously" proposed type of loom in which the reed, shuttle race, shuttle boxes and the' nsual mechanism which reciprocates in an ordinary type of loom arestationary While the Warp threads and cloth, healds or heddle's and the rollers supporting the yarn `and clothat the back and front of the loom respectively, are reciprocated towenable the weft to be be`atennp lay/"bringing it into contact Withthe stationary reed:

ln the aforesaidtype of loom my invention comprises a reciprocating framesupporting the Warp yarn and cloth and heald frames, said frame being moved backward and :forward in the arc of a circle; pivoted levers or frames are providedfor supporting the,` reciprocating frame and if desired carrying the take-np motion, cloth roller and attendant parts;` a Warp stop `motion is also carried `by the pivoted levers or frame and heald-operating mechanism is arranged ina stationary position with relation tothe loom frame but connected directly to the heald or heddle frames in` such a Way as not to` interfere with the backward and forward motion of the reciprocating frame.

The object ofthe foregoing arrangement of partsis t0 attain a" perfect balanceof the movable portions of the mechanism and so enable high speeds to be attained with a minimum of povver vibration and stress on the Working parts; to minimize al1 strain on the Warp and `weft threads and to' reduce cost of production.

My .invention Will be fully described with le reinste ai@ accademia@ drawings 1n wnref` ,l v

\ rigide i, is asias estanca er a 10cm een:

Straeten in aeeordance with myvntin;

ing? a, planer Santana Fig, 8, front elevationiofsainei`` ranger@ reproeate the 'warp anales aand cloth toi/fard `"and frn'i the stationary reed c as'fin thleknoivn typebflooiii adt this end-I employ a "reciproeablfe framed snp# ported on tlielnain `frame al` of tlie` loofrf or adapted tobe fronti abovefso as to niove in theare of a circlennd to enablean" etnafl tensioir on the Warp to" be obtaiiieclftlirogliont the full strkeof the rfraine'. This france CZ maybe .actuated in any snitablevvay to effect the `ndoveinent referred yto andt to' Work in nnisonvvitli tliepiclsiing mechanism ivhich may be of any suitable type. Inan embodied arrangement the reciprocable freine CZ is adaptedto snpportthe Warp a one end, as by a bar or rail c, `and the cloth at the other, asit is Woven, by a bar or rollei" f, the Warp passing from a beam or othesonrce outside the loom over-"rods g`1` orrollers and separated from the" frame dorbeingl arranged to be carried by it1 and to1 be affected l by its movements, While the cloth 4b `'passes to the" take-up mechanism over bar f which Hi* A ,t T Mil ,r i, "i i mechanism may be arranged separate from or be affected bythe movement ofthe frame,

llVhcre the let-off and'vvarpholding fmebans and thefcloth` rollers and take-up mechanism move in consonance with theframefd,asis preferred, they `act asfbalancing meansffor the'latter toenablea high speed of the frame embodied arrangement referredto `only the cloth rollers and take-up mechanism are arto be attained, thongli separate` balancing means may be" otherwise employed.` Infthe ters, rotate the roller m as required to takeup or feed forward the cloth. The latter holds the parts in position on the return stroke.` The movements of the clutch nJ are effected through rod s coupled to one of the levers 8 connected to the clutch. The cloth passes under rod c', around roller m and over another roller p on which it maybe wound or preferably pass to other winding means in the direction shown. Roller p is mounted in the free ends of link s g ivoted at r to the arms L, the roller being ept in contact with roller m by springs or weights or by screws m passed through the lower ends of levers 7L. The levers h may be enlarged at their lower ends to form'balance weights m if required, in conjunction with the take-up mechanism.

The opposite end of the frame is supported by the other double-armed leverss pivoted at- 15 and counter-balanced at their lower ends by weights s, the warp passing over the rods or rollers g from a suitable source of supply as already indicated.

The frame d is reciprocated in the arc of a circle by suitable means. In the drawings I have shown it actuated from the main driving shaft u driven by pulley fv, a wheel w on said shaft gearing with a pinion on a stud y, such pinion forming part of or being ysecured `to a balanced crank e which, in turn, is coupled to one end of a link 2.

The other end of said link is coupled to an arm 3 .forming part of one of the pivoted arms or levers s. It will be understood that this mechanism is adapted to give a rapid reciprocating motion to the frame d in the arc of a circle in order to bring the fell of the cloth against the reed c which is stationary and i'iXed to the main frame al' of the loom. In this way the beating-up of the weft is accomplished after it is picked through the shed by the shuttle 5 which itself is of usual construction and reciprocated in the well known way on the shuttle race 6. The shedding of the warp is accomplished by two separate heald frames each vertically-reciprocated upon a separate guide 8 secured to the reciprocating frame a?, both the heald frames being separately actuated from the driving shaft u of the loom by means of connecting rods 9 coupled to crank pins 10 on the driving pulley o and disk 17.

The warp stop mechanism of the loom may be separate from the reciprocating frame d or may be arranged to assist in balancing. In the arrangement shown in the drawings I employ the usual sheet steel detectors 12 provided with hooks 13 at their upper ends for engaging with the warp threads, such detectors being held in the raised position so long as the warp threadsiare taut and unbroken. The usual means for carrying the detectors are employed but instead of being stationary as in the old type of loom they are secured to the pivoted levers sso that the complete warp stop motion reciprocates with said levers. Vhen one of the detectors drops by reason of a slack or broken warp thread it descends behind the free end of a bar or arm 14 pivoted at g and coupled by means of a rod 16 to any ordinary type of loom stop mechanism, the arm or bar bcing moved forward by the detector as will be well understood to stop the loom The following are a few of the advantages of the arrangement described z-lightness combined with strength; perfect balance of mechanism and working stresses; strain on yarn reduced to a minimum; no mechanical parts operating in the path of the shuttle; the recess in shuttle race for small-wares need only be the width of the tape or -yarn woven and less shedding, height and travel required than in ordinary looms.

It should also be said that the length and position of the suspending or supporting levers can be so arranged as to gradually ease the tension as the healds are lifted and so minimize the strain on the warp threads, and gradually tighten the yarn as the cloth approaches the reed to beat up thus producing clean and regular selvages.

Vliat I claim as my invention and desire to secure by Letters Patent is 1. In a loom in which the weft is beaten -up against a fiXed reed, the combination with such reed, of a warp and cloth supporting frame adapted to be reciprocated in the arc of a circle to enable the weft to be beaten up, said frame having component parts so coupled together that an equal tension on the warp is present throughout the full stroke of the frame.

2. In a loom in which the weft is beaten up against a fixed reed, the combination of suchiixed reed, a reciprocating frame, heal d frames carried by the reciprocating frame, and connecting rod and crank mechanism directly connected to and reciprocatin the healds to accomplish the shedding of the warp.

3. In a loom in which the weft is beaten up against a fixed reed, the combination with such iXed reed and the reciprocating warp and cloth-carrying frame, of means for counter balancing said frame.

4. In a loom in which the weft is beaten up against a fiXed reed, the combination with 'such fixed reed, of an articulated warp carrying frame the component parts of which are so coupled together that an equal tension on the warp is present throughout the full stroke of the frame.

5. In a loom in which the weft is beaten up against a fixed reed, the combination with said fixed reed, of a reciprocating ried by the rear set of pivotecl levers co-actwarp-supporting frame, pivoted balancing ing with any ordinary means connected With levers for supporting the frame, and a takethe driving shaft of the loom. up motion and rollers carried by and adapted In testimony whereof I have hereunto 5 to be operated through the motion o the set my hand in the presence of two Wit- 15 pivoted levers so as to take up the cloth and nesses.

also to assist in balancing the mechanism. THOMAS TROUGHTON JACKSON.

6. In a loom having a reciprocating Warp Witnesses: frame, pivoted balancing levers for support- WILLIAM H. TAYLOR, 10 ing the frame and a Warp stop motion car- MARGARET C. RAMsBo'r'roM.

Copies of this patent may be obtained for ve cents each, by addressing the "Commissioner ot Patenti,

' Washington, D. C. 

